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Commit e58ccce4 authored by Glenn Kasten's avatar Glenn Kasten
Browse files

Fix 2 bugs in fast mixer statistics 

Was losing the upper half of the bounds, and MHz was off.

Change-Id: I61c98027b35ce7c3578ea6f3acf05aa5c48a5831
parent c20f467d

services/audioflinger/FastMixer.cpp

+2 −2
Original line number Diff line number Diff line
@@ -467,7 +467,7 @@ bool FastMixer::threadLoop() 
#ifdef FAST_MIXER_STATISTICS

                // advance the FIFO queue bounds

                size_t i = bounds & (FastMixerDumpState::kSamplingN - 1);

                bounds = (bounds + 1) & 0xFFFF;

                bounds = (bounds & 0xFFFF0000) | ((bounds + 1) & 0xFFFF);

                if (full) {

                    bounds += 0x10000;

                } else if (!(bounds & (FastMixerDumpState::kSamplingN - 1))) {
@@ -621,7 +621,7 @@ void FastMixerDumpState::dump(int fd) 
        loadNs.sample(sampleLoadNs);

        kHz.sample(sampleCpukHz & ~0xF);

        if (sampleCpukHz == previousCpukHz) {

            double megacycles = (double) sampleLoadNs * (double) sampleCpukHz;

            double megacycles = (double) sampleLoadNs * (double) sampleCpukHz * 1e-12;

            double adjMHz = megacycles / mixPeriodSec;  // _not_ wallNs * 1e9

            loadMHz.sample(adjMHz);

        }